Report by techradar.com, Sony has not found the right name for the two tablets. S1 and S2 tablets carrying the Android 3.0 operating system and has a unique design.
Sony S2 folding design (clamshell). While S1 is still an original design, with the addition on the back for easy user holds the device. Model S1 has 9.4 inch screen and powered Sony Bravia LCD. S2 has two tablet-sized 5.5-inch screen.
